Mathematics, 16.05.2021 08:00 dessyrob05

PLEASE HELP 20 points Mary is solving the equation 3(x + 4) = 7x - 20. The first thing she does is rewrite the equation as shown below.

3x + 12 = 7x -20
Which property did Mary use to get from the original equation to her rewritten equation?
O associative property of multiplication
O commutative property of multiplication
o distributive property
O multiplicative property of equality

PLEASE HELP 20 points

Mary is solving the equation 3(x + 4) = 7x - 20. The first thing she does i

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PLEASE HELP 20 points Mary is solving the equation 3(x + 4) = 7x - 20. The first thing she does is...

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